package demo1.demo1.dao;

import demo1.demo1.pojo.Department;
import demo1.demo1.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Repository
public class EmployeeDao {
//    模拟数据库中的数据
    private static Map<Integer, Employee> employees=null;
    @Autowired
    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<Integer, Employee>();//创建一个职工表

        employees.put(1001,new Employee(1001,"AA","114508@qq.com",1,new Department(101,"教学部"), new Date()));
        employees.put(1002,new Employee(1002,"BB","123456@qq.com",0,new Department(102,"团委部"), new Date()));
        employees.put(1003,new Employee(1003,"CC","123789@163.com",1,new Department(103,"市场部"), new Date()));
        employees.put(1004,new Employee(1004,"DD","100000@163.com",0,new Department(104,"外交部"), new Date()));
        employees.put(1005,new Employee(1005,"EE","186752@163.com",1,new Department(105,"科研部"), new Date()));

    }
//    主键自增
    private static Integer initId = 1006;
//    增加一个员工
    public void save(Employee employee){
        if (employee.getId() == null){
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(),employee);
    }
//    查询全部员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }
//    通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }
//    通过id删除员工
    public void delete(Integer id){
        employees.remove(id);
    }

}

